Solitary Fibrous Tumor Originating in the Pelvis: A Case Report

Boe, Justin; Chimpiri, A. Rao; Liu, Cheng Z.

doi:10.3941/jrcr.v4i7.430

Cited by 10 publications

(22 citation statements)

References 22 publications

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“…A perianal location is rare for this type of tumor. SFTs account for <2% of soft tissue tumors and occur with a similar frequency in both sexes between the 5 th and 7 th decades of life [ 4 , 5 ].…”

Section: Introductionmentioning

confidence: 99%

Perianal Solitary Fibrous Tumor in a Rare Anatomical Presentation: A Case Report and Literature Review

et al. 2021

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Patient: Male, 78-year-old Final Diagnosis: Solitary fibrous tumor Symptoms: Growth Medication:— Clinical Procedure: Excision biopsy Specialty: Pathology • Surgery Objective: Rare disease Background: Solitary fibrous tumors (SFTs) account for <2% of all soft tissue tumors and are slow-growing neoplasms of mesenchymal origin, which have been reported in various locations. They are frequently observed at the pleura and a perianal location is extremely rare. They show no predisposition by sex, are mainly benign, and usually occur between the 5 th and 7 th decades of life. Case Report: We report the case of an 80-year-old man with no comorbidities except hypertension, who presented with an asymptomatic perineal mass. Magnetic resonance imaging showed a solid tumor measuring 3.5×2.5 cm identified in the perineal midline. It was very close to the anal sphincter, showing no extension to the rectum or anus. The tumor was completely excised with negative margins. The postoperative course was uneventful and he was discharged home, free of any symptoms. The pathological examination showed a benign completely excised SFT, and no further treatment was necessary. At the 6-month and 1-year follow-ups, there was no sign of recurrence. Conclusions: A comprehensive review of all the reported cases of perianal SFTs shows that the majority of these tumors present with no symptoms and have a favorable prognosis. Diagnosis is possible only after a pathological examination. The criterion standard of treatment is complete excision with negative margins. Once excised, the tumors have low rates of recurrence and metastasis. Tumors very close to the anal sphincter and with malignant potential need to be operated on with extra care to obtain clear margins without disrupting the continence mechanism.

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Section: Introductionmentioning

confidence: 99%

Perianal Solitary Fibrous Tumor in a Rare Anatomical Presentation: A Case Report and Literature Review

et al. 2021

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“…On T1-weighted (T1WI) and T2-weighted (T2WI) images, pelvic SFTs usually appear as a well-defined mass with heterogeneous signal intensity. 4,5 Although the MRI features of pelvic SFT are nonspecific, most pelvic SFTs demonstrate enhancement on both CT and MRI following contrast administration. The SFT described in our case report showed heterogeneous lowintensity signals on T2WI and iso-intensity on T1WI on MRI.…”

Section: Discussionmentioning

confidence: 99%

Robot-assisted laparoscopic resection of a pelvic solitary fibrous tumor

et al. 2021

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Solitary fibrous tumor (SFT) is a rare soft tissue neoplasm of mesenchymal origin. SFT is most commonly located in the thoracic cavity (in approximately 80% of cases), but can also develop rarely in the pelvis. A 47-year-old man presented to our hospital with a pelvic tumor that was discovered during a health checkup. We performed transperitoneal robotic resection of the pelvic tumor. Intraoperative blood loss and the console time were 100 mL and 2 hours 42 minutes, respectively, and no intraoperative or postoperative complications were recorded. Histologic analysis revealed a pelvic SFT with negative surgical margins. The patient was followed-up for 13 months with no evidence of tumor recurrence. To our knowledge, this is the first report of robot-assisted laparoscopic resection of a pelvic SFT.

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“…On gross examination, SFTs may contain areas of intratumoral haemorrhage, necrosis, cystic changes and calcification. 19 …”

Section: Discussionmentioning

confidence: 99%

Radiological findings in pelvic solitary fibrous tumour

2016

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Solitary fibrous tumour (SFT) is an uncommon, usually benign mesenchymal neoplasm. SFT was first described in the pleura, but has subsequently been reported to occur in numerous anatomic locations including the abdomen and pelvis. Abdominopelvic SFTs are typically an indolent process, in spite of reaching a large size by the time of diagnosis. The preferred treatment is complete resection followed by extended follow-up surveillance. The risk of local recurrence and metastasis correlates with tumour size and the histological status of surgical margins. We present the imaging findings of a large pelvic SFT in a 61-year-old female, including ultrasound, CT and MRI.

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Solitary Fibrous Tumor Originating in the Pelvis: A Case Report

Cited by 10 publications

References 22 publications

Perianal Solitary Fibrous Tumor in a Rare Anatomical Presentation: A Case Report and Literature Review

Perianal Solitary Fibrous Tumor in a Rare Anatomical Presentation: A Case Report and Literature Review

Robot-assisted laparoscopic resection of a pelvic solitary fibrous tumor

Radiological findings in pelvic solitary fibrous tumour

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